The total area underneath any normal curve is equal to?Select one:a.The mean.b.One.c.The variance.d.The coefficient of variation.e.The standard deviation.
Question
The total area underneath any normal curve is equal to?Select one:a.The mean.b.One.c.The variance.d.The coefficient of variation.e.The standard deviation.
Solution
The correct answer is b. One. The total area under any normal distribution curve is equal to 1. This is a fundamental property of probability distributions, not just the normal distribution. The area under the curve describes the total probability of all outcomes, which must add up to 1.
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